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Toward broadband, dynamic structuring of a complex plasmonic field

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posted on 2023-05-10, 06:06 authored by Shibiao Wei, Guangyuan Si, Michael Malek, Stuart K Earl, Luping Du, Shan Shan Kou, Xiaocong Yuan, Jiao Lin
The ability to tailor a coherent surface plasmon polariton (SPP) field is an important step toward many new opportunities for a broad range of nanophotonic applications. Previously, both scanning a converging SPP spot and designing SPP profiles using an ensemble of spots have been demonstrated. SPPs, however, are normally excited by intense, coherent light sources, that is, lasers. Hence, interference between adjacent spots is inevitable and will affect the overall SPP field distributions. We report a reconfigurable and wavelength-independent platform for generating a tailored two-dimensional (2D) SPP field distribution by considering the coherent field as a whole rather than as individual spots. With this new approach, the inherent constraints in a 2D coherent field distribution are revealed. Our design approach works not only for SPP waves but also for other 2D wave systems such as surface acoustic waves.


This work is partially supported by the National Key Basic Research Program of China (973) grant 2015CB352004; the National Natural Science Foundation of China grants 61427819,61138003,61490712,61675136,11604219, and 61405031; the leading talents of Guangdong province program grant 00201505; the Natural Science Foundation of Guangdong Province grant 2016A030312010; and the Science and Technology Innovation Commission of Shenzhen grants KQTD2015071016560101 and KQTD2017033011044403. This work was performed in part at the Melbourne Centre for Nanofabrication in the Victorian Node of the Australian National Fabrication Facility.


Publication Date



Science Advances





Article Number



5p. (p. 1-5)


American Association for the Advancement of Science



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© 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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